Home / 264,787.75-397,181.63-77,799.25

Finding the Fourth Proportional to 264,787.75, 397,181.63 and 77,799.25

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Solution

The fourth proportional to 264,787.75, 397,181.63 and 77,799.25 is: 116,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,787.75 : 397,181.63 = 77,799.25 : x
  2. Step 2: Convert to fraction form
    264,787.75/397,181.63 = 77,799.25/x
  3. Step 3: Cross multiply
    264,787.75x = 397,181.63 × 77,799.25
  4. Step 4: Simplify right side
    264,787.75x = 30,900,432,927.78
  5. Step 5: Solve for x
    x = 30,900,432,927.78/264,787.75
  6. Step 6: Final answer
    x = 116,698.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.